CN107523258A - A kind of high-performance silicone high-speed railway rail gap-filling glue - Google Patents
A kind of high-performance silicone high-speed railway rail gap-filling glue Download PDFInfo
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- CN107523258A CN107523258A CN201710851199.2A CN201710851199A CN107523258A CN 107523258 A CN107523258 A CN 107523258A CN 201710851199 A CN201710851199 A CN 201710851199A CN 107523258 A CN107523258 A CN 107523258A
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- polydimethylsiloxane
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
- C09J183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a kind of high-performance silicone high-speed railway rail gap-filling glue, including the mass ratio of following components and each component to be：By 100 parts of polydimethylsiloxane, 30~80 parts of reinforced filling, 10~30 parts of active softening agent, 5~10 parts of crosslinking agent, 0.5~2 part of catalyst, 1~2 part of tackifier, 0.5~5 part of colouring agent.The advantages of present invention has high-low temperature resistant, soda acid, weather-resistant, ultraviolet-resistant aging and resists ozon destruction；There are good cementability, and non-corrosiveness to the various materials such as concrete；Resist displacement ability is strong, the flexible, detrusion of retinue's pavement joint that can be freely, does not destroy；And there is good elastic restoration ratio, repeatedly back and forth it can be moved with seam, permanent deformation is small；Operating procedure is easy.
Description
Technical field
The invention belongs to the technical field of gap-filling glue, more particularly, to a kind of high-performance silicone high-speed railway rail gap-filling glue.
Background technology
The padding gum of prior art, either PU, acrylic acid, pitch ointment, its high-low temperature resistant, soda acid, weather-resistant,
Ultraviolet-resistant aging and the ozon destructive characteristics of resistance are all very poor, particularly under the long-term high intensity sunshine environment of high source environment, resist
Displacement capacity, it is very poor, it is necessary to which periodic maintenance, many unfavorable factors are brought to high ferro operation.
Therefore the rapid development of the construction with China Express Railway, this area are badly in need of developing a kind of high-performance gap-filling glue
Together, high-low temperature resistant, soda acid, weather-resistant, ultraviolet-resistant aging and the ozon destruction of resistance；Have to the various materials such as concrete
Good cementability, and non-corrosiveness；Resist displacement ability is strong, the flexible, detrusion of retinue's pavement joint freely, does not send out
It is raw to destroy；Elastic restoration ratio is good, repeatedly back and forth can be moved with seam, and permanent deformation is small；Operating procedure is easy.
The content of the invention
Regarding the issue above, the present invention provides a kind of high-performance silicone high-speed railway rail gap-filling glue, has resistance to height
The advantages of low temperature, soda acid, weather-resistant, ultraviolet-resistant aging and resistance ozon destruction；Have to the various materials such as concrete
Good cementability, and non-corrosiveness；Resist displacement ability is strong, the flexible, detrusion of retinue's pavement joint that can be freely,
Do not destroy；And there is good elastic restoration ratio, repeatedly back and forth it can be moved with seam, permanent deformation is small；Operating procedure letter
Just.
To reach above-mentioned purpose, present invention employs following technical proposal：A kind of high-performance silicone high-speed railway rail gap-filling glue,
Mass ratio including following components and each component is：It is soft by 100 parts of polydimethylsiloxane, 30~80 parts of reinforced filling, activity
10~30 parts of agent, 5~10 parts of crosslinking agent, 0.5~2 part of catalyst, 1~2 part of tackifier, 0.5~5 part of colouring agent.
Preferably, the mass ratio including following components and each component is：By 100 parts of polydimethylsiloxane, reinforcement is filled out
30 parts of material, 10 parts of active softening agent, 5 parts of crosslinking agent, 0.5 part of catalyst, 1 part of tackifier, 0.5 part of colouring agent.
Preferably, the mass ratio including following components and each component is：By 100 parts of polydimethylsiloxane, reinforcement is filled out
80 parts of material, 30 parts of active softening agent, 10 parts of crosslinking agent, 2 parts of catalyst, 2 parts of tackifier, 5 parts of colouring agent.
Preferably, the mass ratio including following components and each component is：By 100 parts of polydimethylsiloxane, reinforcement is filled out
40 parts of material, 15 parts of active softening agent, 7 parts of crosslinking agent, 0.6 part of catalyst, 1.6 parts of tackifier, 2 parts of colouring agent.
Preferably, described polydimethylsiloxane includes hydroxy-end capped polydimethylsiloxane, trimethoxy end-blocking poly- two
Methyl silicone, dimethoxy end-blocking polydimethylsiloxane, triethoxy end-blocking polydimethylsiloxane, diethoxy block poly- diformazan
One or any several combination in base silicone.
Preferably, described reinforced filling include surface treatment Fumed silica, surface treatment precipitation method White Carbon black,
Surface treatment surpasses to one or any several combination in silicon powder, surface treating nano calcium carbonate.
Preferably, described active softening agent includes the double end-blocking polydimethylsiloxanes of methoxyl group, monohydroxy poly dimethyl
The double end-blocking polydimethylsiloxanes of silicone, methoxyl group, MDT types silicone oil, alkyl aromatic compound, methyl blocking polydimethylsiloxane
In one or any several combination.
Preferably, described crosslinking agent includes MTMS, dimethyldimethoxysil,ne, ethylene methacrylic
Base dimethoxysilane, phenyl methyl dimethoxysilane, the diacetylmonoxime silane of phenyl three, the diacetylmonoxime silane of vinyl three, methyl
One or any several combination in three diacetylmonoxime silane, the diacetylmonoxime silane of vinyl methyl two.
Preferably, described catalyst, including dibutyl tin laurate, stannous octoate, two neodecanoic acid stannous methides,
The one or any several combination being complexed in tin titanate esters and basigamy compound.
Preferably, the tackifier include one in tackifier 560, tackifier 550, tackifier 792, tackifier 570
Kind or any several combination.Colouring agent in the present invention uses the environment-friendly dye of in the market, the specific color root of colouring agent
Can arbitrarily it be replaced according to demand.
Compared with prior art, the advantage of the invention is that：By polydimethylsiloxane, special it need to be surface-treated reinforcement and fill out
The compositions such as material, synthesis unique construction active softening agent, crosslinking agent, catalyst, tackifier, colouring agent.The elongation of padding gum can
To reach 800%, tensile strength is more than 1.2Mpa.With high-low temperature resistant, soda acid, weather-resistant, ultraviolet-resistant aging and resistance
The advantages of ozon destruction；There are good cementability, and non-corrosiveness to the various materials such as concrete；Resist displacement ability is strong,
The flexible, detrusion of retinue's pavement joint that can be freely, is not destroyed；And there is good elastic restoration ratio, can be more
Secondary back and forth to be moved with seam, permanent deformation is small；Glue-applying technique is easy, is especially suitable for field complex environment construction.
Embodiment
This programme includes a kind of high-performance silicone high-speed railway rail gap-filling glue, and the gap-filling glue includes following components and each component
Mass ratio is：By 100 parts of polydimethylsiloxane, 30~80 parts of reinforced filling, 10~30 parts of active softening agent, crosslinking agent 5~
10 parts, 0.5~2 part of catalyst, 1~2 part of tackifier, 0.5~5 part of colouring agent.
Specifically, including the mass ratio of following components and each component is：By 100 parts of polydimethylsiloxane, reinforcement is filled out
30 parts of material, 10 parts of active softening agent, 5 parts of crosslinking agent, 0.5 part of catalyst, 1 part of tackifier, 0.5 part of colouring agent.
Specifically, including the mass ratio of following components and each component is：By 100 parts of polydimethylsiloxane, reinforcement is filled out
80 parts of material, 30 parts of active softening agent, 10 parts of crosslinking agent, 2 parts of catalyst, 2 parts of tackifier, 5 parts of colouring agent.
Specifically, including the mass ratio of following components and each component is：By 100 parts of polydimethylsiloxane, reinforcement is filled out
40 parts of material, 15 parts of active softening agent, 7 parts of crosslinking agent, 0.6 part of catalyst, 1.6 parts of tackifier, 2 parts of colouring agent.
Specifically, described polydimethylsiloxane includes hydroxy-end capped polydimethylsiloxane, trimethoxy end-blocking poly- two
Methyl silicone, dimethoxy end-blocking polydimethylsiloxane, triethoxy end-blocking polydimethylsiloxane, diethoxy block poly- diformazan
One or any several combination in base silicone.It is preferred that hydroxy-end capped polydimethylsiloxane.
Specifically, described reinforced filling include surface treatment Fumed silica, surface treatment precipitation method White Carbon black,
Surface treatment surpasses to one or any several combination in silicon powder, surface treating nano calcium carbonate.It is preferred that it is surface-treated
Precipitation method White Carbon black.
Specifically, described active softening agent includes the double end-blocking polydimethylsiloxanes of methoxyl group, monohydroxy poly dimethyl
The double end-blocking polydimethylsiloxanes of silicone, methoxyl group, MDT types silicone oil, alkyl aromatic compound, methyl blocking polydimethylsiloxane
In one or any several combination.It is preferred that the double end-blocking polydimethylsiloxanes of methoxyl group dimethyl.
Specifically, described crosslinking agent includes MTMS, dimethyldimethoxysil,ne, ethylene methacrylic
Base dimethoxysilane, phenyl methyl dimethoxysilane, the diacetylmonoxime silane of phenyl three, the diacetylmonoxime silane of vinyl three, methyl
One or any several combination in three diacetylmonoxime silane, the diacetylmonoxime silane of vinyl methyl two.It is preferred that the butanone of phenyl three
Oxime silane, the diacetylmonoxime silane of vinyl three.
Specifically, described catalyst, including dibutyl tin laurate, stannous octoate, two neodecanoic acid stannous methides,
The one or any several combination being complexed in tin titanate esters and basigamy compound.It is preferred that dibutyl tin laurate.
Specifically, the tackifier include one in tackifier 560, tackifier 550, tackifier 792, tackifier 570
Kind or any several combination.It is preferred that 560 and 550 mixtures.The colouring agent of the present invention uses the environment-friendly dye of in the market,
The specific color of toner can be replaced arbitrarily according to demand.
Embodiment 1：
A kind of high-performance silicone high-speed railway rail gap-filling glue, obtained by following raw material according to proportioning mixed preparing：
Raw material proportioning：
The double end-blocking polydimethylsiloxanes of dimethoxy：100 parts；
The double end-blocking polydimethylsiloxanes of methoxyl group dimethyl：40 parts；
Handle precipitation method White Carbon black：15 parts；
The butanone silane oxime of phenyl three：1 part；
The diacetylmonoxime silane of vinyl methyl two：6 parts；
Dibutyl tin laurate：0.6 part；
Tackifier 550：0.8 part；
Tackifier 560：0.8 part；
Colouring agent：2 parts.
Embodiment 2
The double end-blocking polydimethylsiloxanes of dimethoxy：100 parts；
The double end-blocking polydimethylsiloxanes of methoxyl group dimethyl：40 parts；
Handle precipitation method White Carbon black：15 parts；
MTMS：1 part；
Phenyl methyl dimethoxysilane：6 parts；
Dibutyl tin laurate：0.6 part；
Tackifier 550：0.8 part；
Tackifier 560：0.8 part；
Colouring agent：2 parts.
Embodiment 3
Hydroxy-end capped polydimethylsiloxane：100 parts；
Monohydroxy blocks polydimethylsiloxane：40 parts；
Handle precipitation method White Carbon black：15 parts；
The diacetylmonoxime silane of phenyl three：1 part；
The diacetylmonoxime silane of vinyl methyl two：6 parts；
Dibutyl tin laurate：0.6 part；
Tackifier 550：0.8 part；
Tackifier 560：0.8 part；
Colouring agent：2 parts.
Embodiment 4
The double end-blocking polydimethylsiloxanes of dimethoxy：100 parts；
The double end-blocking polydimethylsiloxanes of methoxyl group dimethyl：40 parts；
Handle Fumed silica：15 parts；
The diacetylmonoxime silane of phenyl three：1 part；
The diacetylmonoxime silane of vinyl methyl two：6 parts；
Dibutyl tin laurate：0.6 part；
Tackifier 550：0.8 part；
Tackifier 560：0.8 part；
Colouring agent：2 parts.
Embodiment 5
The double end-blocking polydimethylsiloxanes of dimethoxy：100 parts；
The double end-blocking polydimethylsiloxanes of methoxyl group dimethyl：40 parts；
Nano-calcium carbonate：30 parts；
The diacetylmonoxime silane of phenyl three：1 part；
The diacetylmonoxime silane of vinyl methyl two：6 parts；
Dibutyl tin laurate：0.6 part；
Tackifier 550：0.8 part；
Tackifier 560：0.8 part；
Colouring agent：2 parts.
Reference examples 1：
The double end-blocking polydimethylsiloxanes of dimethoxy：100 parts；
Methyl blocking polydimethylsiloxane：40 parts；
Handle precipitation method White Carbon black：15 parts；
The diacetylmonoxime silane of methyl three：1 part；
The diacetylmonoxime silane of vinyl methyl two：6 parts；
Dibutyl tin laurate：0.6 part；
Tackifier 550：0.8 part；
Tackifier 560：0.8 part；
Colouring agent：2 parts.
Reference examples 2：
Hydroxy-end capped polydimethylsiloxane：100 parts；
Methyl blocking polydimethylsiloxane：40 parts；
Handle precipitation method White Carbon black：15 parts；
The diacetylmonoxime silane of phenyl three：1 part；
The diacetylmonoxime silane of vinyl methyl two：6 parts；
Dibutyl tin laurate：0.6 part；
Tackifier 550：0.8 part；
Tackifier 560：0.8 part；
Colouring agent：2 parts.
Reference examples 3：
Hydroxy-end capped polydimethylsiloxane：100 parts；
Hydroxy-end capped polydimethylsiloxane：40 parts；
Handle precipitation method White Carbon black：15 parts；
The diacetylmonoxime silane of phenyl three：1 part；
The diacetylmonoxime silane of vinyl methyl two：6 parts；
Dibutyl tin laurate：0.6 part；
Tackifier 550：0.8 part；
Tackifier 560：0.8 part；
Colouring agent：2 parts.
Performance test：
JC/T976-2005 is pressed for embodiment and comparative example《Bridge filleting fluid sealant》Test
Test result is as shown in table 1：
The silicone high-speed railway rail gap-filling glue test result of the embodiment of table 1 and reference example：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Reference example 1 | Reference example 2 | Reference example 3 | |
| Viscosity（Range estimation） | Half trickles | Half trickles | Half trickles | Half trickles | Half trickles | Half trickles | Half trickles | Paste |
| Surface drying time min | 53 | 68 | 56 | 53 | 53 | 53 | 53 | 53 |
| Hardness（A） | 19 | 19 | 19 | 19 | 20 | 16 | 16 | 32 |
| Tensile strength（Mpa） | 1.3 | 1.28 | 1.3 | 1.8 | 1.18 | 1.06 | 1.06 | 1.38 |
| Elongation at break (%) | 860 | 810 | 830 | 960 | 806 | 890 | 890 | 480 |
| Weight loss on heating (%) | 3.2 | 3.6 | 3.8 | 3.2 | 3.2 | 8.6 | 8.6 | 3.2 |
The double poly- diformazans of end-blocking of monohydroxy end-blocking polydimethylsiloxane, methoxyl group dimethyl it can be seen from embodiment and reference example
The special construction such as base silicone softening agent is added, and product elongation is obviously improved, can be with alignment request up to standard.Such as use tradition side
Method, methyl blocking polydimethylsiloxane, weight loss on heating can be excessive；The hydroxy-end capped polydimethylsiloxane of low viscosity is such as used, is extended
Rate can reduce, and hardness can increase.From synthesis difficulty and cost performance, the double end-blocking poly dimethyl silicon of the preferred methoxyl group dimethyl of softening agent
Ketone.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (10)
1. a kind of high-performance silicone high-speed railway rail gap-filling glue, including the mass ratio of following components and each component is：By poly- diformazan
100 parts of base silicone, 30~80 parts of reinforced filling, 10~30 parts of active softening agent, 5~10 parts of crosslinking agent, 0.5~2 part of catalyst,
1~2 part of tackifier, 0.5~5 part of colouring agent.
A kind of 2. high-performance silicone high-speed railway rail gap-filling glue according to claim 1, it is characterised in that：Including following components
And the mass ratio of each component is：By 100 parts of polydimethylsiloxane, 30 parts of reinforced filling, 10 parts of active softening agent, crosslinking agent 5
Part, 0.5 part of catalyst, 1 part of tackifier, 0.5 part of colouring agent.
A kind of 3. high-performance silicone high-speed railway rail gap-filling glue according to claim 1, it is characterised in that：Including following components
And the mass ratio of each component is：By 100 parts of polydimethylsiloxane, 80 parts of reinforced filling, 30 parts of active softening agent, crosslinking agent 10
Part, 2 parts of catalyst, 2 parts of tackifier, 5 parts of colouring agent.
A kind of 4. high-performance silicone high-speed railway rail gap-filling glue according to claim 1, it is characterised in that：Including following components
And the mass ratio of each component is：By 100 parts of polydimethylsiloxane, 40 parts of reinforced filling, 15 parts of active softening agent, crosslinking agent 7
Part, 0.6 part of catalyst, 1.6 parts of tackifier, 2 parts of colouring agent.
5. a kind of high-performance silicone high-speed railway rail gap-filling glue as claimed in any of claims 1 to 4, its feature exist
In：Described polydimethylsiloxane includes hydroxy-end capped polydimethylsiloxane, trimethoxy end-blocking polydimethylsiloxane, dimethoxy
One kind in base end-blocking polydimethylsiloxane, triethoxy end-blocking polydimethylsiloxane, diethoxy end-blocking polydimethylsiloxane
Or any several combination.
6. a kind of high-performance silicone high-speed railway rail gap-filling glue as claimed in any of claims 1 to 4, its feature exist
In：Described reinforced filling surpasses to silicon including surface treatment Fumed silica, surface treatment precipitation method White Carbon black, surface treatment
One or any several combination in micro mist, surface treating nano calcium carbonate.
7. a kind of high-performance silicone high-speed railway rail gap-filling glue as claimed in any of claims 1 to 4, its feature exist
In：Described active softening agent includes the double end-blocking polydimethylsiloxanes of methoxyl group, monohydroxy polydimethylsiloxane, the double envelopes of methoxyl group
Hold polydimethylsiloxane, MDT types silicone oil, alkyl aromatic compound, one kind in methyl blocking polydimethylsiloxane or appoint
Anticipate several combinations.
8. a kind of high-performance silicone high-speed railway rail gap-filling glue as claimed in any of claims 1 to 4, its feature exist
In：Described crosslinking agent includes MTMS, dimethyldimethoxysil,ne, methyl ethylene dimethoxy silicon
Alkane, phenyl methyl dimethoxysilane, the diacetylmonoxime silane of phenyl three, the diacetylmonoxime silane of vinyl three, the diacetylmonoxime silane of methyl three,
One or any several combination in the diacetylmonoxime silane of vinyl methyl two.
9. a kind of high-performance silicone high-speed railway rail gap-filling glue as claimed in any of claims 1 to 4, its feature exist
In：Described catalyst, including dibutyl tin laurate, stannous octoate, two neodecanoic acid stannous methides, complexing tin titanate esters and
One or any several combination in basigamy compound.
10. a kind of high-performance silicone high-speed railway rail gap-filling glue as claimed in any of claims 1 to 4, its feature exist
In：The tackifier include one or any several in tackifier 560, tackifier 550, tackifier 792, tackifier 570
Combination.
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| CN201710851199.2A CN107523258A (en) | 2017-09-20 | 2017-09-20 | A kind of high-performance silicone high-speed railway rail gap-filling glue |
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| CN201710851199.2A CN107523258A (en) | 2017-09-20 | 2017-09-20 | A kind of high-performance silicone high-speed railway rail gap-filling glue |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109423253A (en) * | 2017-09-03 | 2019-03-05 | 湖北木之君工程材料有限公司 | A kind of one-component high elongation at tear de-oxime type silicone filleting glue and preparation method thereof |
-
2017
- 2017-09-20 CN CN201710851199.2A patent/CN107523258A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109423253A (en) * | 2017-09-03 | 2019-03-05 | 湖北木之君工程材料有限公司 | A kind of one-component high elongation at tear de-oxime type silicone filleting glue and preparation method thereof |
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